code: def get_extract_command_template(filename):
      """Returns extraction command based on the filename extension."""
      for k, v in iteritems(EXTRACT_COMMAND):
          if filename.endswith(k):
              return v
      return None
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from builtins import int
  import csv
  import json
  import logging
  import os
  import re
  import subprocess
  import numpy
  from six import iteritems
  from PIL import Image
label_desc: Use image node_id 1 for calling a global function with example usage: get_extract_command_template(filename) and returns: None, v